package com.ruoyi;

import org.springframework.stereotype.Component;

@Component
public class TreeNode {
    int val;
     TreeNode left;
     TreeNode right;

    TreeNode() {
    }

    TreeNode(int val) {
        this.val = val;
    }

    TreeNode(int val,  TreeNode left,  TreeNode right) {
        this.val = val;
        this.left = left;
        this.right = right;
    }
}
